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SCLA

SCLA. The Culprit. The Hero. Why alligatorweed is bad. Non-native to the United States Very invasive plant that produces thick mono-cultures which choke out native plants Hard to eradicate when established Perfectly at home in Oklahoma’s climate and habitats

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SCLA

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  1. SCLA

  2. The Culprit The Hero

  3. Why alligatorweed is bad • Non-native to the United States • Very invasive plant that produces thick mono-cultures which choke out native plants • Hard to eradicate when established • Perfectly at home in Oklahoma’s climate and habitats • Hinders recreational activities (boating, fishing, swimming) • Can cause stagnant water i.e. fish kills • Popular filler plant in the horticulture trade • Chemical removal is costly and messy

  4. What to look for • Opposite leaves • Hairs at nodes • Pink or red nodes along stem • Small, white, clover like flower • Hollow stem • Can grow on bank or in water

  5. I.D. characters of alligatorweed

  6. L. peploides (Floating water primrose) Habitat shots of similar looking plants J. americana (Water willow) A. philoxeroides (Alligatorweed)

  7. L. peploides (Floating water primrose) Flowers of similar looking plants J. americana (Water willow) A. philoxeroides (Alligatorweed)

  8. Possible Vectors ?

  9. Known lakes with alligatorweed in Spring Creek chain of lakes • Twin Lakes West • The Pines West • Lansbrook • Wood Lake Apts. • Bluestem • Leven • Silver • Ski Island • Warwick

  10. Wood Lake Apts. Pond - 2004

  11. Lake Leven, a.k.a. Joe’s Crab Shack - 2004

  12. Lansbrook Lake - 2004

  13. Bluestem Lake - 2004

  14. Cautions: • Trimming unknown weeds • Release of water garden plants into lake • Don’t send your problems down stream • Know what you're buying • Spraying / fertilizing down near the lake • Fish stocking

  15. Types of Control X

  16. Collecting Alligatorweed flea beetles in Florida

  17. Coming soon to a lake near you!

  18. Web sites with alligatorweed info. • http://aquat1.ifas.ufl.edu/welcome.html • http://www.wildlifedepartment.com/aquaticplants.htm • http://www.saj.usace.army.mil/conops/apc/bug_folder/ • alligatorweed/a_hygrophila.htm • http://www.saj.usace.army.mil/conops/apc/weed_bio.html • http://www.nysaes.cornell.edu/ent/biocontrol/weedfeeders/ agasicles.html • http://bc4weeds.tamu.edu/agents/alligatorweedfleabeetle.html

  19. Free brochure Call 405-325-7288

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